Home / 762,119.16-1,143,180.74-257,034.93

Finding the Fourth Proportional to 762,119.16, 1,143,180.74 and 257,034.93

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Solution

The fourth proportional to 762,119.16, 1,143,180.74 and 257,034.93 is: 385,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,119.16 : 1,143,180.74 = 257,034.93 : x
  2. Step 2: Convert to fraction form
    762,119.16/1,143,180.74 = 257,034.93/x
  3. Step 3: Cross multiply
    762,119.16x = 1,143,180.74 × 257,034.93
  4. Step 4: Simplify right side
    762,119.16x = 293,837,381,483.25
  5. Step 5: Solve for x
    x = 293,837,381,483.25/762,119.16
  6. Step 6: Final answer
    x = 385,553.07

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.